In the Book of Acts Section B (c/f Reality Search)
Luke has already shown the authenticity of people on the "outside"

Outside the city Stephen meets Saul assistant killer

In Samaria Phillip converts the Samaritans traditional outsiders

On the road to Gaza Phillip meets an Ethiopian a eunuch and of a different race

In Damascus Ananias is sent to Saul/Paul reputed persecutor

In Lydda Peter cures Aenus a disabled person

In Joppa Peter raises Dorcas a female and a widow

In Caesaria Peter eats "unclean" food with Cornelius a non-Jew and a Roman soldier

In Jerusalem Peter challenges traditional Jews to accept the uncircumcised

In Antioch Christians decide to send money to "Jewish" Christians